Sign support



FIG. 1 is a front right perspective view from above of the sign support showing my new design;

FIG. 2 is a front left perspective view from above of the sign support of FIG. 1;

FIG. 3 is a rear elevational view of the sign support of FIGS. 1 and 2;

FIG. 4 is a right side elevational view of the sign support of FIGS. 1-3;

FIG. 5 is a front elevational view of the sign support of FIGS. 1-4;

FIG. 6 is a top plan view of the sign support of FIGS. 1-5; and,

FIG. 7 is a front right perspective view from above of the sign support of FIGS. 1-6 in open position. 

The ornamental design for a sign support, as shown and described. 